Windows Analysis Report
QT_0948765446-NMPMUST-9876563783.exe

Overview

General Information

Sample Name: QT_0948765446-NMPMUST-9876563783.exe
Analysis ID: 628420
MD5: 155a8b146f63fcecc360cc1162974373
SHA1: 7abaf8a0df564b853227fdb8a614e7f8ba3edd15
SHA256: 361deb3d9ef665902441a554d099bd5e43266cd6320ef84facacdee256d325bd
Infos:

Detection

GuLoader
Score: 64
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Found malware configuration
Yara detected GuLoader
Tries to detect virtualization through RDTSC time measurements
C2 URLs / IPs found in malware configuration
Uses 32bit PE files
PE file does not import any functions
PE file contains strange resources
Drops PE files
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
PE file contains sections with non-standard names
Detected potential crypto function
PE file contains more sections than normal
Contains functionality to dynamically determine API calls
Found dropped PE file which has not been started or loaded
Abnormal high CPU Usage
Contains functionality for read data from the clipboard

Classification

AV Detection

barindex
Source: 00000000.00000002.957100646.0000000003370000.00000040.00001000.00020000.00000000.sdmp Malware Configuration Extractor: GuLoader {"Payload URL": "https://drive.google.com/uc?export=download&id=15pFGBWcJey0L1ljJmoCXsS1qG0k_QM5X"}
Source: QT_0948765446-NMPMUST-9876563783.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: QT_0948765446-NMPMUST-9876563783.exe Static PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_00405D74 CloseHandle,GetTempPathW,DeleteFileW,lstrcatW,lstrcatW,lstrlenW,FindFirstFileW,FindNextFileW,FindClose, 0_2_00405D74
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_0040699E FindFirstFileW,FindClose, 0_2_0040699E
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_0040290B FindFirstFileW, 0_2_0040290B

Networking

barindex
Source: Malware configuration extractor URLs: https://drive.google.com/uc?export=download&id=15pFGBWcJey0L1ljJmoCXsS1qG0k_QM5X
Source: QT_0948765446-NMPMUST-9876563783.exe String found in binary or memory: http://nsis.sf.net/NSIS_ErrorError
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_00405809 GetDlgItem,GetDlgItem,GetDlgItem,GetDlgItem,GetClientRect,GetSystemMetrics,SendMessageW,SendMessageW,SendMessageW,SendMessageW,SendMessageW,SendMessageW,ShowWindow,ShowWindow,GetDlgItem,SendMessageW,SendMessageW,SendMessageW,GetDlgItem,CreateThread,FindCloseChangeNotification,ShowWindow,ShowWindow,ShowWindow,ShowWindow,SendMessageW,CreatePopupMenu,AppendMenuW,GetWindowRect,TrackPopupMenu,SendMessageW,OpenClipboard,EmptyClipboard,GlobalAlloc,GlobalLock,SendMessageW,GlobalUnlock,SetClipboardData,CloseClipboard, 0_2_00405809
Source: QT_0948765446-NMPMUST-9876563783.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: library.dll.0.dr Static PE information: No import functions for PE file found
Source: QT_0948765446-NMPMUST-9876563783.exe Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: QT_0948765446-NMPMUST-9876563783.exe Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: QT_0948765446-NMPMUST-9876563783.exe Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_00403640 EntryPoint,SetErrorMode,GetVersionExW,GetVersionExW,GetVersionExW,lstrlenA,#17,OleInitialize,SHGetFileInfoW,GetCommandLineW,CharNextW,GetTempPathW,GetTempPathW,GetWindowsDirectoryW,lstrcatW,GetTempPathW,lstrcatW,SetEnvironmentVariableW,SetEnvironmentVariableW,SetEnvironmentVariableW,DeleteFileW,lstrcatW,lstrcatW,lstrcatW,lstrcmpiW,SetCurrentDirectoryW,DeleteFileW,CopyFileW,CloseHandle,OleUninitialize,ExitProcess,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueW,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 0_2_00403640
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_00406D5F 0_2_00406D5F
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_739B1BFF 0_2_739B1BFF
Source: libpixbufloader-tiff.dll.0.dr Static PE information: Number of sections : 11 > 10
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process Stats: CPU usage > 98%
Source: library.dll.0.dr Static PE information: Section .rsrc
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe File read: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Jump to behavior
Source: QT_0948765446-NMPMUST-9876563783.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f486a52-3cb1-48fd-8f50-b8dc300d9f9d}\InProcServer32 Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_00403640 EntryPoint,SetErrorMode,GetVersionExW,GetVersionExW,GetVersionExW,lstrlenA,#17,OleInitialize,SHGetFileInfoW,GetCommandLineW,CharNextW,GetTempPathW,GetTempPathW,GetWindowsDirectoryW,lstrcatW,GetTempPathW,lstrcatW,SetEnvironmentVariableW,SetEnvironmentVariableW,SetEnvironmentVariableW,DeleteFileW,lstrcatW,lstrcatW,lstrcatW,lstrcmpiW,SetCurrentDirectoryW,DeleteFileW,CopyFileW,CloseHandle,OleUninitialize,ExitProcess,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueW,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 0_2_00403640
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe File created: C:\Users\user\AppData\Local\Temp\nsvF5A7.tmp Jump to behavior
Source: classification engine Classification label: mal64.troj.evad.winEXE@1/11@0/0
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_004021AA CoCreateInstance, 0_2_004021AA
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe File read: C:\Users\desktop.ini Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_00404AB5 GetDlgItem,SetWindowTextW,SHBrowseForFolderW,CoTaskMemFree,lstrcmpiW,lstrcatW,SetDlgItemTextW,GetDiskFreeSpaceW,MulDiv,SetDlgItemTextW, 0_2_00404AB5
Source: QT_0948765446-NMPMUST-9876563783.exe Static PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT

Data Obfuscation

barindex
Source: Yara match File source: 00000000.00000002.957100646.0000000003370000.00000040.00001000.00020000.00000000.sdmp, type: MEMORY
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_739B30C0 push eax; ret 0_2_739B30EE
Source: libpixbufloader-tiff.dll.0.dr Static PE information: section name: .xdata
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_739B1BFF GlobalAlloc,lstrcpyW,lstrcpyW,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,lstrcpyW,GetModuleHandleW,LoadLibraryW,GetProcAddress,lstrlenW, 0_2_739B1BFF
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe File created: C:\Users\user\AppData\Local\Temp\library.dll Jump to dropped file
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe File created: C:\Users\user\AppData\Local\Temp\nsmF740.tmp\System.dll Jump to dropped file
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe File created: C:\Users\user\AppData\Local\Temp\libpixbufloader-tiff.dll Jump to dropped file
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion

barindex
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe RDTSC instruction interceptor: First address: 0000000003370556 second address: 0000000003370556 instructions: 0x00000000 rdtsc 0x00000002 cmp bl, cl 0x00000004 cmp ebx, ecx 0x00000006 jc 00007F4324C6B594h 0x00000008 test cl, dl 0x0000000a test cl, cl 0x0000000c inc ebp 0x0000000d inc ebx 0x0000000e rdtsc
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\library.dll Jump to dropped file
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\libpixbufloader-tiff.dll Jump to dropped file
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_00405D74 CloseHandle,GetTempPathW,DeleteFileW,lstrcatW,lstrcatW,lstrlenW,FindFirstFileW,FindNextFileW,FindClose, 0_2_00405D74
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_0040699E FindFirstFileW,FindClose, 0_2_0040699E
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_0040290B FindFirstFileW, 0_2_0040290B
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe API call chain: ExitProcess graph end node
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe API call chain: ExitProcess graph end node
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_739B1BFF GlobalAlloc,lstrcpyW,lstrcpyW,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,lstrcpyW,GetModuleHandleW,LoadLibraryW,GetProcAddress,lstrlenW, 0_2_739B1BFF
Source: C:\Users\user\Desktop\QT_0948765446-NMPMUST-9876563783.exe Code function: 0_2_00403640 EntryPoint,SetErrorMode,GetVersionExW,GetVersionExW,GetVersionExW,lstrlenA,#17,OleInitialize,SHGetFileInfoW,GetCommandLineW,CharNextW,GetTempPathW,GetTempPathW,GetWindowsDirectoryW,lstrcatW,GetTempPathW,lstrcatW,SetEnvironmentVariableW,SetEnvironmentVariableW,SetEnvironmentVariableW,DeleteFileW,lstrcatW,lstrcatW,lstrcatW,lstrcmpiW,SetCurrentDirectoryW,DeleteFileW,CopyFileW,CloseHandle,OleUninitialize,ExitProcess,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueW,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 0_2_00403640
No contacted IP infos